At the age of 12, an intrepid Wernher von Braun loaded his toy wagon with some firecrackers and shot off across a crowded German street. It was a sign of things to come. The brains behind Hitler's V-2 rocket program arrived in the United States as a prisoner of war and went on to be its champion of space and lunar exploration. While putting people on the moon, von Braun also mastered scuba diving and philosophy.

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